GEOGRAPHIC INFORMATION - Net Sales and Long Lived Assets by Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 153,089	$ 156,113	$ 302,022	$ 304,928
Long Lived Assets	82,261		82,261		$ 71,232
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	137,354	139,693	268,031	273,312
Long Lived Assets	79,425		79,425		68,556
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	15,735	$ 16,420	33,991	$ 31,616
Long Lived Assets	$ 2,836		$ 2,836		$ 2,676